<template>
    <transition name="slide">
        <MusicList :title="title" :bgImage="bgImage" :songs="songs"></MusicList>
    </transition>
</template>

<script type="text/ecmacript-6">
import MusicList from 'components/MusicList/MusicList'
import { getSongList } from 'api/recommend'
import { mapGetters } from 'vuex'
import { ERR_OK } from 'api/config'
import { createSong } from 'common/js/song'

export default {
    computed : {
        title () {
            return this.disc.dissname
        },
        bgImage () {
            return this.disc.imgurl
        },
        ...mapGetters([
            'disc'
        ])
    },
    data () {
        return {
            songs : []
        }
    },
    created () {
        this._getSongList()
    },
    methods : {
        _getSongList () {
            if (!this.disc.dissid) {
                this.$router.push('/recommend')
                return
            }
            getSongList(this.disc.dissid).then((res) => {
                if (res.code === ERR_OK) {
                    this.songs = this._normalizeSongs(res.cdlist[0].songlist)
                }
            })
        },
        _normalizeSongs (list) {
            let ret = []
            list.forEach((musicData) => {
                if (musicData.songid && musicData.albummid) {
                    ret.push(createSong(musicData))
                }
            })
            return ret
        }
    },
    components : {
        MusicList
    }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
.slide-enter-active, .slide-leave-active
    transition: all 0.3s
.slide-enter, .slide-leave-to
    transform: translate3d(100%, 0, 0)
</style>
